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{
  "type": "object",
  "title": "Country",
  "required": [
    "name",
    "iso2",
    "iso3"
  ],
  "properties": {
    "tld": {
      "type": [
        "string",
        "null"
      ],
      "description": "Country-code top-level domain (e.g. .us, .uk)"
    },
    "area": {
      "type": [
        "number",
        "null"
      ],
      "description": "Land area in square kilometers"
    },
    "flag": {
      "type": [
        "string",
        "null"
      ],
      "description": "Flag emoji"
    },
    "iso2": {
      "type": "string",
      "description": "ISO 3166-1 alpha-2 code"
    },
    "iso3": {
      "type": "string",
      "description": "ISO 3166-1 alpha-3 code"
    },
    "name": {
      "type": "string",
      "description": "Common country name"
    },
    "capital": {
      "type": [
        "string",
        "null"
      ],
      "description": "Capital city name"
    },
    "latitude": {
      "type": [
        "number",
        "null"
      ],
      "description": "Latitude of approximate center"
    },
    "regionId": {
      "type": [
        "string",
        "null"
      ],
      "x-ref-type": "Region",
      "description": "Continental region identifier"
    },
    "languages": {
      "type": "array",
      "items": {
        "type": "string"
      },
      "description": "Official/common language names"
    },
    "longitude": {
      "type": [
        "number",
        "null"
      ],
      "description": "Longitude of approximate center"
    },
    "timezones": {
      "type": "array",
      "items": {
        "type": "string"
      },
      "description": "Timezone identifiers for this country"
    },
    "population": {
      "type": [
        "integer",
        "null"
      ],
      "description": "Country population"
    },
    "callingCode": {
      "type": [
        "string",
        "null"
      ],
      "description": "International calling code (e.g. +1, +44)"
    },
    "numericCode": {
      "type": [
        "string",
        "null"
      ],
      "description": "ISO 3166-1 numeric code"
    },
    "subregionId": {
      "type": [
        "string",
        "null"
      ],
      "x-ref-type": "Subregion",
      "description": "Subregional classification identifier"
    },
    "currencyCode": {
      "type": [
        "string",
        "null"
      ],
      "description": "Primary currency code (e.g. USD, EUR)"
    },
    "currencyName": {
      "type": [
        "string",
        "null"
      ],
      "description": "Primary currency name"
    },
    "officialName": {
      "type": [
        "string",
        "null"
      ],
      "description": "Official country name"
    }
  },
  "description": "A world country with ISO codes, capital, region, currency, languages, and timezones."
}